Re: [PATCHv3 6/6] x86/signal: add SA_{X32,IA32}_ABI sa_flags

[Dmitry Safonov]

On 08/26/2016 08:13 PM, Dmitry Safonov wrote:
> Introduce new flags that defines which ABI to use on creating sigframe.
> Those flags kernel will set according to sigaction syscall ABI,
> which set handler for the signal being delivered.
>
> So that will drop the dependency on TIF_IA32/TIF_X32 flags on signal deliver.
> Those flags will be used only under CONFIG_COMPAT.
>
> Similar way ARM uses sa_flags to differ in which mode deliver signal
> for 26-bit applications (look at SA_THIRYTWO).
>
> Cc: Andy Lutomirski <luto@xxxxxxxxxx>
> Cc: Oleg Nesterov <oleg@xxxxxxxxxx>
> Cc: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
> Cc: "H. Peter Anvin" <hpa@xxxxxxxxx>
> Cc: Ingo Molnar <mingo@xxxxxxxxxx>
> Cc: linux-mm@xxxxxxxxx
> Cc: x86@xxxxxxxxxx
> Cc: Cyrill Gorcunov <gorcunov@xxxxxxxxxx>
> Cc: Pavel Emelyanov <xemul@xxxxxxxxxxxxx>
> Signed-off-by: Dmitry Safonov <dsafonov@xxxxxxxxxxxxx>

Oh, accidentally missed this on patches preparation, excuses:
Reviewed-by: Andy Lutomirski <luto@xxxxxxxxxx>